I'm not a person who likes to look back, I'm always looking forward.
Every challenge in livestock farming is an opportunity to innovate.
The beauty of mathematics only shows itself to more patient followers.
每个数学问题都有解答；挑战在于找到它。
Time present and time past are both perhaps present in time future, and time future contained in time past.
When I'm working on music, I'm in a different world.